A nut having 1 convex, spherical bearing surface and 6 flat sides. Items may have a removable collar. See also nut (1), plain, cone seat, hexagon.
Classification: Nuts of iron or steel
NSN 5945-01-191-9858
NSN 5965-00-015-7408
NSN 6650-01-529-4601
NSN 6145-01-286-4720
NSN 6620-01-195-6675
NSN 5910-01-504-0496
NSN 5975-00-276-7559
NSN 6685-01-180-7697
NSN 6685-00-203-4485
NSN 6110-00-166-5039
NSN 6105-01-484-6790
NSN 5998-00-553-9535